期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 53, 期 38, 页码 10038-10043出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201403192
关键词
macromolecules; nanomaterials; self-healing; supramolecular polymers
资金
- Schlumberger
- Walters-Kundert Foundation
- ERC Starting Investigator Grant (ASPiRe) [240629]
- EPSRC [EP/K039520/1, EP/F035535/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F035535/1, EP/K039520/1] Funding Source: researchfish
Here we show the preparation of a series of water-based physically cross-linked polymeric materials utilizing cucurbit[8] uril (CB[8]) ternary complexes displaying a range of binding, and therefore cross-linking, dynamics. We determined that the mechanical strength of these materials is correlated directly with a high energetic barrier for the dissociation of the CB[8] ternary complex cross-links, whereas facile and rapid self-healing requires a low energetic barrier to ternary complex association. The versatile CB[8] ternary complex has, therefore, proven to be a powerful asset for improving our understanding of challenging property-structure relationships in supramolecular systems and their associated influence on the bulk behavior of dynamically crosslinked materials.
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